Update app.py

app.py

@@ -129,7 +129,7 @@ with block:
     with gr.Row():
         embeddings = gr.Radio(choices=model_options_list,value=model_options_list[0], label='Choose your Embedding Model',
                              interactive=True)
-        embeddings.observe(on_value_change, names='value')
+        embeddings.change(on_value_change, embeddings)
         
     print(embeddings.value)